/* =========================================================
   KeoTeach · Test interactivo (Estudio IA)
========================================================= */

.kq { display: flex; flex-direction: column; gap: 14px; }

.kq-top {
    position: sticky; top: calc(var(--topbar-height) + 6px); z-index: 2;
    display: flex; align-items: center; gap: 12px; padding: 10px 12px;
    border: 1px solid var(--border); border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(10px);
}
.kq-progress { flex: 1; height: 10px; border-radius: 10px; background: var(--surface-3); overflow: hidden; }
.kq-progress b { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--cyan)); transition: width .5s cubic-bezier(.2, .8, .2, 1); }
.kq-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 100px; background: var(--surface-2); color: var(--text-soft); font-size: 13px; font-weight: 700; white-space: nowrap; }
.kq-chip i { color: var(--green); }
.kq-hint { margin: 0; color: var(--text-muted); font-size: 12.5px; display: flex; align-items: center; gap: 6px; }

.kq-list { display: flex; flex-direction: column; gap: 14px; }

.kq-card {
    padding: 18px; border: 1px solid var(--border); border-radius: var(--radius-lg);
    background: linear-gradient(180deg, var(--surface), var(--surface-2));
    animation: kqIn .45s cubic-bezier(.2, .8, .2, 1) both; animation-delay: var(--d, 0ms);
    transition: border-color .25s ease, box-shadow .25s ease;
}
.kq-card.is-right { border-color: color-mix(in srgb, var(--green) 55%, var(--border)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--green) 25%, transparent); }
.kq-card.is-wrong { border-color: color-mix(in srgb, var(--red) 55%, var(--border)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--red) 22%, transparent); }
.kq-card.pop-right { animation: kqPop .5s cubic-bezier(.3, 1.6, .5, 1); }
.kq-card.pop-wrong { animation: kqShake .45s ease; }

.kq-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.kq-num { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), var(--cyan)); color: #fff; font-family: var(--font-display); font-weight: 700; }
.kq-of { color: var(--text-muted); font-size: 13px; }
.kq-badge { margin-left: auto; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: #fff; animation: kqBadge .4s cubic-bezier(.3, 1.6, .5, 1); }
.kq-badge.ok { background: var(--green); }
.kq-badge.ko { background: var(--red); }

.kq-text { margin: 0 0 14px; font-size: 16px; font-weight: 600; line-height: 1.5; color: var(--text); }

.kq-options { display: grid; gap: 9px; }
.kq-option {
    display: flex; align-items: center; gap: 12px; width: 100%; padding: 11px 14px; text-align: left;
    border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-3); color: var(--text);
    font: inherit; cursor: pointer; transition: transform .15s ease, border-color .2s ease, background .2s ease;
}
.kq-option:hover:not(:disabled) { border-color: var(--primary); transform: translateX(4px); background: color-mix(in srgb, var(--primary) 10%, var(--bg-3)); }
.kq-option:active:not(:disabled) { transform: scale(.98); }
.kq-option:disabled { cursor: default; }
.kq-letter { display: grid; place-items: center; flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px; background: var(--surface-3); color: var(--text-soft); font-weight: 800; font-size: 13px; transition: background .2s ease, color .2s ease; }
.kq-label { line-height: 1.4; }
.kq-option.right { border-color: var(--green); background: color-mix(in srgb, var(--green) 14%, var(--bg-3)); animation: kqGlowRight .7s ease; }
.kq-option.right .kq-letter { background: var(--green); color: #06281a; }
.kq-option.wrong { border-color: var(--red); background: color-mix(in srgb, var(--red) 13%, var(--bg-3)); }
.kq-option.wrong .kq-letter { background: var(--red); color: #fff; }
.kq-option.dim { opacity: .55; }

.kq-feedback {
    margin-top: 12px; padding: 12px 14px; border-radius: var(--radius-sm); font-size: 14px; line-height: 1.5;
    animation: kqSlide .4s cubic-bezier(.2, .8, .2, 1);
}
.kq-feedback.ok { background: color-mix(in srgb, var(--green) 10%, transparent); border: 1px solid color-mix(in srgb, var(--green) 35%, transparent); }
.kq-feedback.ko { background: color-mix(in srgb, var(--red) 9%, transparent); border: 1px solid color-mix(in srgb, var(--red) 32%, transparent); }
.kq-feedback strong { display: block; margin-bottom: 2px; }
.kq-feedback.ok strong { color: var(--green); }
.kq-feedback.ko strong { color: var(--red); }
.kq-feedback span { display: block; color: var(--text-soft); }
.kq-feedback p { margin: 6px 0 0; color: var(--text-soft); }

/* Resultado final */
.kq-summary {
    display: flex; flex-wrap: wrap; align-items: center; gap: 20px; padding: 20px;
    border: 1px solid color-mix(in srgb, var(--primary) 40%, var(--border)); border-radius: var(--radius-lg);
    background: radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--primary) 18%, transparent), transparent 60%), var(--surface);
    animation: kqPop .6s cubic-bezier(.3, 1.5, .5, 1);
}
.kq-ring {
    --p: 0; position: relative; display: grid; place-items: center; width: 110px; height: 110px; flex-shrink: 0; border-radius: 50%;
    background: conic-gradient(var(--green) calc(var(--p) * 1%), var(--surface-3) 0);
    animation: kqRing 1s cubic-bezier(.2, .8, .2, 1);
}
.kq-ring::before { content: ""; position: absolute; inset: 10px; border-radius: 50%; background: var(--surface); }
.kq-ring span { position: relative; font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--text); }
.kq-summary-text { flex: 1; min-width: 220px; }
.kq-summary-text h3 { margin: 0 0 4px; font-family: var(--font-display); }
.kq-summary-score { margin: 0 0 6px; font-weight: 700; color: var(--green); }
.kq-summary-text p { margin: 0 0 4px; color: var(--text-soft); }
.kq-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

/* Chispas y confeti */
.kq-spark, .kq-confetti { position: fixed; z-index: 9999; pointer-events: none; }
.kq-spark { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: kqSpark .9s ease-out forwards; }
.kq-confetti { width: 8px; height: 12px; border-radius: 2px; animation: kqConfetti 1.6s cubic-bezier(.2, .7, .3, 1) forwards; }

@keyframes kqIn { from { opacity: 0; transform: translateY(14px) scale(.98); } }
@keyframes kqPop { 0% { transform: scale(.96); } 55% { transform: scale(1.02); } 100% { transform: scale(1); } }
@keyframes kqShake { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(-8px); } 40% { transform: translateX(7px); } 60% { transform: translateX(-5px); } 80% { transform: translateX(3px); } }
@keyframes kqBadge { from { transform: scale(0) rotate(-90deg); } }
@keyframes kqSlide { from { opacity: 0; transform: translateY(-6px); } }
@keyframes kqGlowRight { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--green) 60%, transparent); } 100% { box-shadow: 0 0 0 14px transparent; } }
@keyframes kqRing { from { transform: rotate(-90deg) scale(.6); opacity: 0; } }
@keyframes kqSpark { to { transform: translate(var(--dx), var(--dy)) scale(.2); opacity: 0; } }
/* Sale disparado hacia arriba y luego cae */
@keyframes kqConfetti {
    0% { transform: translate(0, 0) rotate(0); opacity: 1; }
    40% { transform: translate(calc(var(--dx) * .6), var(--dy)) rotate(calc(var(--r) * .5)); opacity: 1; }
    100% { transform: translate(var(--dx), calc(var(--dy) + 420px)) rotate(var(--r)); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .kq-card, .kq-card.pop-right, .kq-card.pop-wrong, .kq-badge, .kq-feedback, .kq-option.right, .kq-summary, .kq-ring { animation: none; }
}

@media (max-width: 600px) {
    .kq-card { padding: 14px; }
    .kq-text { font-size: 15px; }
    .kq-summary { justify-content: center; text-align: center; }
    .kq-actions { justify-content: center; }
}